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authorKeith Owens <kaos@ocs.com.au>2007-07-22 11:12:36 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-22 11:03:38 -0700
commit20fe1d30e7e1c2ee36f11856f090613b0ad58b48 (patch)
treef262e0c88f3cf51903e691d57332411f519ca917 /arch/i386
parent398cf2abdb51fc96bc08f2a007b1aa25ba6adfba (diff)
i386: Do not include other cpus' interrupt 0 in nmi_watchdog
kstat_irqs(0) includes the count of interrupt 0 from all cpus, not just the current cpu. The updated interrupt 0 on other cpus can stop the nmi_watchdog from tripping, so only include the current cpu's int 0. Signed-off-by: Keith Owens <kaos@ocs.com.au> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/i386')
-rw-r--r--arch/i386/kernel/nmi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index 03b7f5584d7..99beac7f96c 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -353,7 +353,7 @@ __kprobes int nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
* Take the local apic timer and PIT/HPET into account. We don't
* know which one is active, when we have highres/dyntick on
*/
- sum = per_cpu(irq_stat, cpu).apic_timer_irqs + kstat_irqs(0);
+ sum = per_cpu(irq_stat, cpu).apic_timer_irqs + kstat_cpu(cpu).irqs[0];
/* if the none of the timers isn't firing, this cpu isn't doing much */
if (!touched && last_irq_sums[cpu] == sum) {